Hidden interplay of current-induced spin and orbital torques in bulk Fe$_3$GeTe$_2$

Saunderson, Tom G.; Go, Dongwook; Blügel, Stefan; Kläui, Mathias; Mokrousov, Yuriy

doi:10.48550/arxiv.2204.13052

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Observation Of Current-induced Domain Wall Motion1

Chiral Magnetic Exchange In D 3h Crystals1

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2022

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“…Possible mechanisms responsible for CIDM in FGT may involve interfacial effects, strain, material defects or interlayer interactions (within FGT). Even in ideal FGT, current-induced torques is still a subject of intense research [41] as illustrated by the recent description of the so-called orbital torque [51]. A study of the effect of these current-induced torques on domains walls in ideal and real samples is beyond the scope of the present work.…”

Section: Observation Of Current-induced Domain Wall Motionmentioning

confidence: 94%

“…This suggests that the observed domain wall motion involves a mechanism yet to be determined and not captured by SOT in ideal FGT. Possible origins include symmetry breaking due to strain or material defects, interfacial effects (between FGT and substrate or top hBN layer), interlayer interactions (within FGT), orbital torques [51], and thermal effects. These will be the subject of future work.…”

Section: Chiral Magnetic Exchange In D 3h Crystalsmentioning

confidence: 99%

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